One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine (Plaquenil), a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Lyrica and plaquenil Plaquenil exfoliative dermatitis Can i take my celebrex and plaquenil doses together Hydroxychloroquine sulfate answer 3 Hydroxychloroquine is still a safe and beneficial drug for use in rheumatic diseases. Retinal toxicity is unpredictable and can occur even at relatively low doses of hydroxychloroquine. There are new screening modalities for early detection of asymptomatic hydroxychloroquine ocular toxicity. Chloroquine CQ is used to prevent and treat malaria and amebiasis,1 while hydroxychloroquine HCQ, a less toxic metabolite of chloroquine, is used to treat rheumatic diseases such as systemic lupus erythematosus SLE, rheumatoid arthritis RA, juvenile idiopathic arthritis JIA and Sjogren's syndrome.2 Both medications can cause corneal deposits, posterior subcapsular lens opacity. Sep 15, 2014 Hydroxychloroquine sulfate HCQ, Plaquenil is an analogue of chloroquine CQ, an antimalarial agent, used for the treatment of systemic lupus erythematosus, rheumatoid arthritis and other autoimmune disorders. Its use has been associated with severe retinal toxicity, requiring a discontinuation of therapy. It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. Hydroxychloroquine cornea Plaquenil hydroxychloroquine sulfate dosing, indications., Chloroquine And Hydroxychloroquine Toxicity - StatPearls. Hydroxychloroquine dosing guidelinesDoes plaquenil cause high cholesterolPlaquenil freshness Hydroxychloroquine.4 This difference may reflect a lower tissue accumulation of hydroxychloroquine or a difference in the tendency of chloroquine and hydroxychloroquine to bind to the cornea.4 Since the recommended hydroxychloroquine dose has decreased over the last 30 years, corneal problems now occur much less frequently. In Ocular toxicity of hydroxychloroquine - HKMJ. Retinal toxicity associated with chronic exposure to.. Plaquenil Side Effects on Your Eyes and Vision. Hydroxychloroquine has a lower risk of ocular toxicity, both corneal and retinal, compared with chloroquine. Smoking possibly reduces the efficacy of hydroxychloroquine, although studies have not usually confirmed this clinical impression. Hydroxychloroquine is considered safer than chloroquine during pregnancy and lactation. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Ocular manifestations of hydroxychloroquine include corneal verticillata and retinal toxicity. Verticillata are cornea deposits of salts within the corneal epithelium. This condition does not cause symptoms and is reversible with cessation of the medication.